Font de dades: https://www.kaggle.com/
Dataset: https://www.kaggle.com/datasets/shivamb/underwater-surface-temperature-dataset?select=underwater_temperature.csv
https://statisticsbyjim.com/graphs/contour-plots/
https://r-charts.com/correlation/contour-plot/
https://alexmiller.phd/posts/contour-plots-in-python-matplotlib-x-y-z/
https://plotly.com/r/contour-plots/
https://www.statisticshowto.com/contour-plots/